img1on = new Image();      
img1on.src = "/images/pass_over.gif"; 
img1off = new Image(); 
img1off.src = "/images/pass.gif"; 
function imgOn(imgName) {
            document[imgName].src = eval(imgName + "on.src");
}
function imgOff(imgName) {
            document[imgName].src = eval(imgName + "off.src");
}

// window launcher

function openNewWindow(pageref, sWindowName)
{
	newwinref = window.open("",sWindowName,"left=0,screenX=0,top=0,screenY=0,width=790,height=530,resizable=1,scrollbars=1,status=1");
	newwinref.location=pageref;
	document.close();
}